Introduced the rigid polyurethane foam plastics entire water foaming craft basic principle.
介绍了硬质聚氨酯泡沫塑料全水发泡工艺的基本原理。
The basic property of polyamide engineering plastics and application in tractor are introduced. The design and material selection of polyamide engineering plastics parts are discussed.
介绍了聚酰胺工程塑料的基本性能，在拖拉机上的应用现状及聚酰胺塑料零件的选材和设计。
In this article, the basic composition, the properties and the prospect of application of various biodegradable plastics containing starch were reviewed.
本文综述了各种含淀粉塑料的基本组成，性能及应用前景。
The fiber paper are used as the basic materials of PVDC latex coating packaging materials, with the same packaging property as painting PVDC on other plastics films.
用纤维纸作p VD C胶乳涂覆型包装材料的基材，具有与以塑料为基材的涂覆膜相同的包装性能。
Methanol, also known as methyl alcohol, is used as a basic material to produce chemical products, such as plastics, paint, construction materials and windshield washer fluid.
甲醇，也称木精，是塑料、油漆、建筑材料和挡风玻璃洗涤液等化学产品的基础原料。
The basic characteristics of degradable plastics and common plastics are analyzed.
分析了普通塑料和降解塑料的降解性能。
Current plating-on-plastics processes still employ the basic technology developed at that time, although inevitably many refinements and improvements have been. The basic steps are as follows.
尽管现在做得更精致且有许多改进，现有的塑料电镀工艺仍然使用从前开发的基本技术。基本步骤如下。
With starch and PVA as basic raw materials, starch-plastics film (SP film) was produced by casting method.
以淀粉和PVA(聚乙烯醇)为主要原料，用流延法制造淀粉塑料膜(简称SP膜)。
With starch and PVA as basic raw materials, starch-plastics film (SP film) was produced by casting method.
以淀粉和PVA(聚乙烯醇)为主要原料，用流延法制造淀粉塑料膜(简称SP膜)。
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